The reason I use the term money laundering is because this the act of concealing the source of funds originally obtained by criminal action.
If, for instance, money is used from a bank account for purposes other than those allowed, and then paid to someone for a reason not approved by the owners of that account, there is an illegal act, thereby money laundering. In hindsight, Bakes is correct, perhaps mis appropriation of funds is more accurate.
However, the charge of money laundering has more severe penalties and automatically becomes a global issue as financial transactions cross boundaries.
I am not positive about taxpayers involvement, but I do know that most countries football federations are to some extent supported by govt funding vis a vis taxpayers money.
If you join the dots, if US$1 went into CONCACAF and the charge is money laundering, the FBI could investigate. Remember, Al Capone was only ever convicted of tax evasion!!